Deserialization in Pytries Datrie
CVE-2026-5659
A vulnerability was found in pytries datrie up to 0.8.3. The affected element is the function Trie.load/Trie.read/Trie.__setstate__ of the file src/datrie.pyx of the component trie File Handler. The manipulation results in deserialization. The attack can be launched remotely. The exploit has been made public and could be used. The project was informed of the problem early through an issue report but has not responded yet.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.005 (37.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 37th percentile — 37.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.005 · change: +0.002
Affected products
- Pytries Datrie — versions 0.8.0, 0.8.1, 0.8.2
Weakness classification (CWE)
References
- vuldb.com/vuln/355483 (technical-description, vdb-entry)
- vuldb.com/vuln/355483/cti (signature, permissions-required)
- vuldb.com/submit/785228 (third-party-advisory)
- github.com/pytries/datrie/issues/109 (issue-tracking)
- github.com/dhabaleshwar/Open-Source-Vulnerabilities/blob/main/dartie_code_exec… (exploit)
- github.com/pytries/datrie/ (product)
Frequently asked questions
- What is CVE-2026-5659?
- CVE-2026-5659 is a medium-severity vulnerability in Pytries Datrie, classified under Improper Input Validation. CVSS score: 6.3/10. Published 2026-04-06.
- How severe is CVE-2026-5659?
- Medium severity. CVSS v3 base score is 6.3 out of 10.